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Merged
igaw merged 2 commits into from
Apr 22, 2025
Merged

Feat perfc def #994

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5ce1ba8
types: add performance characteristics attribute definitions
ikegami-t Apr 19, 2025
8a85f32
util: add performance characteristic feature length
ikegami-t Apr 19, 2025
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68 changes: 68 additions & 0 deletions src/nvme/types.h
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Original file line number Diff line number Diff line change
Expand Up @@ -9427,6 +9427,74 @@ enum nvme_feat_nswpcfg_state {
NVME_FEAT_NS_WRITE_PROTECT_PERMANENT = 3,
};

/**
* enum nvme_feat_perfc_attri - performance characteristics attribute index
* @NVME_FEAT_PERFC_ATTRI_STD: standard performance attribute
* @NVME_FEAT_PERFC_ATTRI_ID_LIST: performance attribute identifier list
* @NVME_FEAT_PERFC_ATTRI_VS_MIN: vendor specific performance attribute minimum index
* @NVME_FEAT_PERFC_ATTRI_VS_MAX: vendor specific performance attribute maximum index
*/
enum nvme_feat_perfc_attri {
NVME_FEAT_PERFC_ATTRI_STD = 0,
NVME_FEAT_PERFC_ATTRI_ID_LIST = 0xc0,
NVME_FEAT_PERFC_ATTRI_VS_MIN = 0xc1,
NVME_FEAT_PERFC_ATTRI_VS_MAX = 0xff,
};

/**
* enum nvme_feat_perfc_r4karl - standard performance attribute random 4 kib average latency
* @NVME_FEAT_PERFC_R4KARL_NO_REPORT: not reported
* @NVME_FEAT_PERFC_R4KARL_GE_100_SEC: greater than or equal to 100 secs
* @NVME_FEAT_PERFC_R4KARL_GE_50_SEC: greater than or equal to 50 secs and less than 100 secs
* @NVME_FEAT_PERFC_R4KARL_GE_10_SEC: greater than or equal to 10 secs and less than 50 secs
* @NVME_FEAT_PERFC_R4KARL_GE_5_SEC: greater than or equal to 5 secs and less than 10 secs
* @NVME_FEAT_PERFC_R4KARL_GE_1_SEC: greater than or equal to 1 sec and less than 5 secs
* @NVME_FEAT_PERFC_R4KARL_GE_500_MS: greater than or equal to 500 msecs and less than 1 sec
* @NVME_FEAT_PERFC_R4KARL_GE_100_MS: greater than or equal to 100 msecs and less than 500 msecs
* @NVME_FEAT_PERFC_R4KARL_GE_50_MS: greater than or equal to 50 msecs and less than 100 msecs
* @NVME_FEAT_PERFC_R4KARL_GE_10_MS: greater than or equal to 10 msecs and less than 50 msecs
* @NVME_FEAT_PERFC_R4KARL_GE_5_MS: greater than or equal to 5 msecs and less than 10 msecs
* @NVME_FEAT_PERFC_R4KARL_GE_1_MS: greater than or equal to 1 msec and less than 5 msecs
* @NVME_FEAT_PERFC_R4KARL_GE_500_US: greater than or equal to 500 usecs and less than 1 msec
* @NVME_FEAT_PERFC_R4KARL_GE_100_US: greater than or equal to 100 usecs and less than 500 usecs
* @NVME_FEAT_PERFC_R4KARL_GE_50_US: greater than or equal to 50 usecs and less than 100 usecs
* @NVME_FEAT_PERFC_R4KARL_GE_10_US: greater than or equal to 10 usecs and less than 50 usecs
* @NVME_FEAT_PERFC_R4KARL_GE_5_US: greater than or equal to 5 usecs and less than 10 usecs
* @NVME_FEAT_PERFC_R4KARL_GE_1_US: greater than or equal to 1 usec and less than 5 usecs
* @NVME_FEAT_PERFC_R4KARL_GE_500_NS: greater than or equal to 500 nsecs and less than 1 usec
* @NVME_FEAT_PERFC_R4KARL_GE_100_NS: greater than or equal to 100 nsecs and less than 500 nsecs
* @NVME_FEAT_PERFC_R4KARL_GE_50_NS: greater than or equal to 50 nsecs and less than 100 nsecs
* @NVME_FEAT_PERFC_R4KARL_GE_10_NS: greater than or equal to 10 nsecs and less than 50 nsecs
* @NVME_FEAT_PERFC_R4KARL_GE_5_NS: greater than or equal to 5 nsecs and less than 10 nsecs
* @NVME_FEAT_PERFC_R4KARL_GE_1_NS: greater than or equal to 1 nsec and less than 5 nsecs
*/
enum nvme_feat_perfc_r4karl {
NVME_FEAT_PERFC_R4KARL_NO_REPORT = 0x0,
NVME_FEAT_PERFC_R4KARL_GE_100_SEC = 0x1,
NVME_FEAT_PERFC_R4KARL_GE_50_SEC = 0x2,
NVME_FEAT_PERFC_R4KARL_GE_10_SEC = 0x3,
NVME_FEAT_PERFC_R4KARL_GE_5_SEC = 0x4,
NVME_FEAT_PERFC_R4KARL_GE_1_SEC = 0x5,
NVME_FEAT_PERFC_R4KARL_GE_500_MS = 0x6,
NVME_FEAT_PERFC_R4KARL_GE_100_MS = 0x7,
NVME_FEAT_PERFC_R4KARL_GE_50_MS = 0x8,
NVME_FEAT_PERFC_R4KARL_GE_10_MS = 0x9,
NVME_FEAT_PERFC_R4KARL_GE_5_MS = 0xa,
NVME_FEAT_PERFC_R4KARL_GE_1_MS = 0xb,
NVME_FEAT_PERFC_R4KARL_GE_500_US = 0xc,
NVME_FEAT_PERFC_R4KARL_GE_100_US = 0xd,
NVME_FEAT_PERFC_R4KARL_GE_50_US = 0xe,
NVME_FEAT_PERFC_R4KARL_GE_10_US = 0xf,
NVME_FEAT_PERFC_R4KARL_GE_5_US = 0x10,
NVME_FEAT_PERFC_R4KARL_GE_1_US = 0x11,
NVME_FEAT_PERFC_R4KARL_GE_500_NS = 0x12,
NVME_FEAT_PERFC_R4KARL_GE_100_NS = 0x13,
NVME_FEAT_PERFC_R4KARL_GE_50_NS = 0x14,
NVME_FEAT_PERFC_R4KARL_GE_10_NS = 0x15,
NVME_FEAT_PERFC_R4KARL_GE_5_NS = 0x16,
NVME_FEAT_PERFC_R4KARL_GE_1_NS = 0x17,
};

/**
* enum nvme_fctype - Fabrics Command Types
* @nvme_fabrics_type_property_set: Property set
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3 changes: 3 additions & 0 deletions src/nvme/util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -562,6 +562,9 @@ int nvme_get_feature_length(int fid, __u32 cdw11, __u32 *len)
case NVME_FEAT_FID_NS_METADATA:
*len = sizeof(struct nvme_host_metadata);
break;
case NVME_FEAT_FID_PERF_CHARACTERISTICS:
*len = sizeof(struct nvme_perf_characteristics);
break;
default:
errno = EINVAL;
return -1;
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